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Silver 1U Flex ATX power supply unit with modular cables and rear fan grille

NShi

NShi ENP-7660B 600W 1U Flex ATX PSU for K39 server chassis

SKU CH-7WP0-9XP1V

A 600W full-modular 1U Flex ATX power supply with 20+4pin and 12V outputs, low-noise cooling, and overcurrent, overvoltage and short-circuit protection for K39 chassis

  • Chassis styleDesktop
  • 600W output powers demanding gaming and desktop systems
  • Full modular cabling simplifies builds inside the K39 chassis
  • 20+4 pin plus 12V connectors support varied component needs
  • Low-noise fan keeps acoustics down during heavy loads
  • 110-264V input works worldwide without a voltage switch

Purpose-built 1U Flex ATX power supply

The NShi ENP-7660B is a 600W unit designed specifically for the K39 server chassis. It targets builders assembling compact 1U systems who need a high-output power source that fits the Flex ATX form factor. The 110-264V input range suits global mains voltages without manual switching.

Full modular cabling with 20+4 pin and 12V outputs

A fully modular design lets you attach only the cables required, reducing clutter inside the tight 1U enclosure. The included 20+4 pin motherboard connector and dedicated 12V output cover the primary power rails for modern platforms. Metal construction and a low-noise cooling fan keep operation quiet while maintaining airflow in dense layouts.

600W continuous output with multi-rail protections

The single deciding specification is the 600W rated delivery backed by overcurrent, overvoltage and short-circuit safeguards. This capacity ceiling determines whether the unit can sustain your chosen CPU and GPU combination under load. Builders planning multi-GPU arrays or extreme overclocks should verify their total draw against this 600W limit before committing.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $155.99
Cheaper than about 75% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleDesktop

Questions about this item

What input voltage range does the ENP-7660B accept?

The ENP-7660B operates on 110-264V AC input, so it works worldwide without a voltage switch.

What chassis depth clearance does the 1U Flex ATX form factor need?

The 1U Flex ATX unit fits the K39 chassis and any enclosure that accepts a standard 1U Flex ATX power supply.

How do I connect the 20+4-pin and 12V cables on this fully modular PSU?

Plug only the cables you need into the PSU side first, then route the 20+4-pin ATX and 12V connectors to the motherboard.

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